A) Four times
B) Doubled
C) Halved
D) Unchanged
Correct Answer: A
Solution :
[a] \[L\propto {{N}^{2}}\] i.e. \[\frac{{{L}_{1}}}{{{L}_{2}}}={{\left( \frac{{{N}_{1}}}{{{N}_{2}}} \right)}^{2}}\Rightarrow {{L}_{2}}={{L}_{1}}{{\left( \frac{{{N}_{2}}}{{{N}_{1}}} \right)}^{2}}=4{{L}_{1}}\]
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